+ s/(.+)\n//m;
+ my $hash = $1;
+
+ # strip commit seperator
+ chomp;
+ # skip expensive checks without potential identifier
+ m/:/ or next;
+ # try to parse as UTF-8
+ eval { $_ = decode(utf8 => $_, Encode::FB_CROAK()) };
+ # if invalid, assume it's latin1
+ $_ = decode(cp1252 => $_) if $@;
+
+ my $prefix = 0;
+ my %attr;
+